NEURO

A new study reveals that tinnitus, a common auditory issue characterized by ringing in the ears, is associated with undetected auditory nerve loss. This finding challenges the traditional understanding that tinnitus is solely a result of brain maladaptation to hearing loss. from Neuroscience News https://ift.tt/bokn4Af

New research reveals the cerebellum's significant role in the evolution of human cognitive functions. The study mapped the genetic development of cerebellar cells in humans, mice, and opossums, uncovering both ancestral and unique cellular characteristics. from Neuroscience News https://ift.tt/YoJ6nbX

Researchers have discovered new insights into persistent aggression in female fruit flies, challenging existing theories. A new study shows that certain neural cells sustain aggressive behavior for up to 10 minutes, suggesting factors beyond recurrent neural connections are at play. from Neuroscience News https://ift.tt/Uoj0IHR

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Researchers made a significant breakthrough in understanding neurodevelopmental disorders by identifying how three novel genes contribute to these conditions. The study utilized genomic sequencing, phenotyping, and modeling in fly and stem cells to investigate the genetic architecture of these genes. They discovered that malfunctions in the spliceosome, a protein complex responsible for gene splicing, are a key factor in these disorders. from Neuroscience News https://ift.tt/QvUXkwn

A new study sheds light on the significant role of patients' beliefs in the effectiveness of neurostimulation treatments for conditions like depression and ADHD. Analyzing five studies, the research team found that patients' perceptions of receiving real or placebo treatments often had more impact on outcomes than the treatments themselves. from Neuroscience News https://ift.tt/HzQucXm

A new study explores the intricate relationship between myelin degeneration and neuron health. Contrary to the traditional view that demyelination primarily leads to axon degeneration, the study found that axons enwrapped in defective myelin are at a higher risk. from Neuroscience News https://ift.tt/0qt53YS

December's festive season often brings stress and disappointment, challenging the societal expectation of only positive emotions. A new study shows how we respond to negative emotions is crucial for our mental health. from Neuroscience News https://ift.tt/908TbNZ

Researchers discovered that the neuropsychiatric symptoms in Alzheimer’s disease, such as irritability, agitation, and depression, primarily stem from brain inflammation rather than amyloid and tau proteins. This study involved 109 elderly individuals and found a strong correlation between neuroinflammation and these challenging symptoms. from Neuroscience News https://ift.tt/YpvOAMR

Researchers uncovered a crucial role of the ventrolateral prefrontal cortex (VLPFC) in processing social cues, expanding our understanding of this brain region beyond working memory and multisensory integration. Using a novel approach, the study found that while individual neurons in the VLPFC of macaques showed complex responses to social stimuli, their collective activity could be decoded by a machine learning model to identify expressions and identities in videos. from Neuroscience News https://ift.tt/vyKqoOf

An international team has conducted a groundbreaking study on stem cell therapy for progressive multiple sclerosis (MS). The therapy, involving the injection of neural stem cells into patients' brains, was found to be safe and potentially effective in preventing further brain damage. from Neuroscience News https://ift.tt/F4dIuy6

A new study delves into the intricate nature of sexual motivation, emphasizing its complexity as both an abstract concept and a tangible physiological phenomenon. It underscores the significant role of gonadal hormones in modulating sexual behavior, particularly highlighting specific brain structures in rats. from Neuroscience News https://ift.tt/3Q2mYwp

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New research reveals that moderate exercise improves cognitive performance (CP) even under conditions of sleep deprivation and low oxygen levels. The study involved two experiments with 24 participants in total, examining the effects of partial and total sleep deprivation, as well as hypoxia, on CP. from Neuroscience News https://ift.tt/9p0jeMx

Researchers developed the Hikikomori Diagnostic Evaluation (HiDE), a new assessment tool for identifying pathological social withdrawal or hikikomori. This condition, initially identified in Japan, is characterized by extended physical isolation lasting over six months and is increasingly observed worldwide, exacerbated by the COVID-19 pandemic. from Neuroscience News https://ift.tt/aMdC5Zs

A new study examines cooperative behavior through the classic game Pacman. The experiment involved two players guiding Pacman collaboratively, with one player seeing the maze path and communicating directions indirectly. from Neuroscience News https://ift.tt/KpJAWe9

A research group using AI and mathematical modeling has discovered that human behavioral responses to COVID-19, like lockdowns and isolation, influence the evolution of the virus. Their study found that SARS-CoV-2 variants became more transmissible early in infection due to these human interventions. from Neuroscience News https://ift.tt/A0PEK1Q

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Researchers discovered that reducing the amino acid isoleucine in diets can significantly improve health outcomes in mice. The study reveals that a low-isoleucine diet led to longer lifespans, leaner bodies, and reduced cancer and prostate problems in mice, despite higher calorie consumption. from Neuroscience News https://ift.tt/pAXI7KY

A new study reveals that people who are blind can recognize faces using auditory patterns processed by the fusiform face area, a brain region crucial for face processing in sighted individuals. The study employed a sensory substitution device to translate images into sound, demonstrating that face recognition in the brain isn't solely dependent on visual experience. from Neuroscience News https://ift.tt/KZP3Exu

Speaking two languages may improve attentional control and information filtering. Researchers examined how bilingual and monolingual individuals process incoming information. from Neuroscience News https://ift.tt/psfK4DZ

Babies as young as four months old can sense how their bodies interact with the space around them, shedding light on early self-awareness development. In the study, babies were shown a moving ball on a screen, accompanied by tactile sensations when the ball was closest to them. from Neuroscience News https://ift.tt/KBsQGOk

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Researchers developed a tool that simplifies the identification of errors in neural networks used for image recognition. Neural networks often produce errors that are challenging to trace, limiting their application in crucial domains like healthcare. from Neuroscience News https://ift.tt/3MEfx6K

An international scientific study examined claims by 15 pre-vetted channelers who communicate with nonphysical beings. The researchers asked channelers the same set of questions to assess the consistency of their responses. from Neuroscience News https://ift.tt/L3raizj

A new study identifies a brain pathway responsible for rapid-threat detection, inspired by the "boiling frog" metaphor. Fruit flies were used as a model to understand how animals respond to rapid environmental changes. from Neuroscience News https://ift.tt/vPEMQfC

A new study reveals that magicians are less likely to face mental health challenges compared to other creative individuals like musicians and comedians. While creativity has often been linked to mental health issues, this research challenges that notion. from Neuroscience News https://ift.tt/so0mUeh

A new study delves into infant brain development and its impact on social interactions and stress recovery during the first year of life. Through functional MRI scans and interactive tasks with mothers, researchers observe early neural patterns. One study reveals that greater brain network connectivity at 3 months correlates with improved infant-mother dyadic flexibility at 6 months. from Neuroscience News https://ift.tt/rtGeU4w

Researchers discovered the essential role of microglia, brain immune cells, in early human brain development by incorporating them into lab-grown brain organoids. This breakthrough allows scientists to understand how microglia influence brain cell growth and development, potentially revolutionizing our understanding of brain development and disorders. from Neuroscience News https://ift.tt/S690wif

Researchers made a breakthrough in memory research by genetically modifying the LIMK1 protein, crucial for memory, to be controlled by the drug rapamycin. This study demonstrates the ability to enhance memory functions by manipulating synaptic plasticity in the brain. from Neuroscience News https://ift.tt/QOiELaC

Researchers discovered a 'phantom touch illusion' in virtual reality (VR), where users feel sensations without physical contact. This study, involving 36 volunteers, demonstrated that participants experienced a tingling sensation when virtually touching their bodies. from Neuroscience News https://ift.tt/Xxpm1Ac

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A study exploring the link between brown adipose tissue (BAT) activity and the tendency for physical contact yielded inconclusive results, challenging earlier assumptions. Researchers attempted to replicate a 2012 study using infrared thermography to measure BAT activity, hypothesizing that lower activity might correlate with a greater need for physical contact. from Neuroscience News https://ift.tt/4LjoqVI

A new study explores visual masking, a phenomenon where rapid sequential images lead to the first being 'unseen.' This study successfully demonstrated visual masking in mice, mirroring human perception, indicating a similar neurological process. from Neuroscience News https://ift.tt/0J4Aykt

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New findings reveal key genetic and cognitive factors linked to depression. Research shows genetic variants affecting brain structure in adolescents, enlarged brain regions related to emotion processing indicating early intervention targets, and how depression more severely impacts reasoning in older adults. Additionally, unique epigenetic markers in blood samples of depressed adolescents have been identified, paving the way for more effective, personalized treatments. from Neuroscience News https://ift.tt/aCvS5Gu

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A novel study finds a link between childhood physical fitness and cerebellar grey matter volume in adolescents. The research, part of the FitBrain study, shows that adolescents with better neuromuscular fitness had larger Crus I grey matter volumes, important for cognition and learning. However, the study also found that better cardiorespiratory fitness was associated with smaller overall cerebellar volume, with gender-specific differences noted. from Neuroscience News https://ift.tt/w1LgeCs

A new study using UK Biobank data highlights the deadly risks of social isolation, revealing that never being visited by friends or family is linked to a 39% increased risk of death. Analyzing social interactions of over 450,000 adults, the study found that objective measures of social interaction, like visits and group activities, are more strongly related to mortality than subjective feelings of loneliness. from Neuroscience News https://ift.tt/yD5YiAd

ASMR, a phenomenon enjoyed by many for its calming effects, has been scientifically shown to positively alter mood and physiological responses like heart rate and blood pressure in 25-30% of people. Researchers, after reviewing over 1,000 scientific articles, confirmed ASMR's consistent description and experience across individuals, noting changes in delta brain waves and activation in specific brain regions. from Neuroscience News https://ift.tt/pgBuKZ4

New research explores how sleep disturbances might accelerate aging by affecting DNA methylation, a chemical modification in our DNA. Using the jewel wasp as a model, scientists will examine the link between sleep deprivation and biological aging markers. from Neuroscience News https://ift.tt/69dCNJe

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Researchers have unveiled groundbreaking findings linking maternal immune activation during pregnancy to the preservation of memories formed in infancy, challenging our understanding of infantile amnesia. In a mouse model, inflammation induced during pregnancy altered brain development, safeguarding against the usual loss of early-life memories. from Neuroscience News https://ift.tt/xmuzSI5

Researchers discovered that oral contraceptives may thin the ventromedial prefrontal cortex (vmPFC) in women, potentially influencing emotion regulation, especially fear responses. The study examined both current and former users of combined oral contraceptives (COCs), finding that the cortical thinning appears to be reversible after discontinuing use. from Neuroscience News https://ift.tt/NW8PEMl

Researchers have identified the crucial mechanism behind the brain's ability to recycle older proteins, a key factor in maintaining cognitive health. The study shows that a specific pathway allows for the efficient transport and recycling of proteins, ensuring neuronal integrity and function. from Neuroscience News https://ift.tt/q61HgiU

Research suggests a high-sugar diet, commonly associated with obesity, leads to insulin resistance in the brain and may heighten the risk of neurodegenerative diseases like Alzheimer's. The study reveals that this insulin resistance impairs glial cells' ability to clear neuronal debris, a crucial process for preventing neurodegeneration. from Neuroscience News https://ift.tt/Fl0jWAs

Emerging research underscores the profound connection between mental health and heart disease, with depression and anxiety hastening the onset of cardiovascular risk factors. Findings from two preliminary studies suggest that psychological conditions not only distress the mind but also have tangible effects on physical health, potentially leading to heart attacks or strokes. from Neuroscience News https://ift.tt/F035DVC

Researchers utilized AI to uncover a link between sleep and gastrointestinal health, and the challenging behaviors in individuals with profound autism, such as self-injury and aggression. The study, which offers new insights into predicting these behaviors, found that for 20% of the subjects, GI issues could forecast next-day behavioral challenges with over 80% accuracy. from Neuroscience News https://ift.tt/JrPejKs

Scientists have uncovered a brain circuit in the subthalamic nucleus that causes discomfort when activated, shedding new light on the neural roots of aversion. This finding has significant implications, as it demonstrates the subthalamus's potential role in depression and the side effects of deep brain stimulation (DBS) therapy for Parkinson's. from Neuroscience News https://ift.tt/LACFTDQ

A new speech prosthetic offers hope for those with speech-impairing neurological disorders. By converting brain signals into speech using high-density sensors and machine learning, the technology represents a significant advancement over current slower communication aids. from Neuroscience News https://ift.tt/LEmfPeB

Researchers have discovered a potential link between the microbe C. perfringens and the progression of multiple sclerosis (MS). The study suggests that an epsilon toxin from the bacteria might degrade the blood-brain barrier, initiating the debilitating symptoms of MS. from Neuroscience News https://ift.tt/rv9DSM1

Researchers used the simple worm, Caenorhabditis elegans, to gain profound insights into how neural information flows in the brain. Using advanced techniques like optogenetics, they visually tracked signal flow in real-time, neuron by neuron, to chart its pathways. from Neuroscience News https://ift.tt/TnVYiUI

unveiled the science behind the buoyant mood many feel after acute sleep deprivation, like pulling an all-nighter. The study in mice showed that not only does dopamine release rise during these short periods without sleep, but the brain also rewires itself, enhancing synaptic plasticity for several days. from Neuroscience News https://ift.tt/FnyieKx

Researchers discovered that, akin to humans, animals have an imagination. Using a unique combination of virtual reality and a brain-machine interface, they probed a rat's innermost thoughts. from Neuroscience News https://ift.tt/r4SJkK2

Researchers discovered the activity of genes in the fetal intestine, brain, and placenta is influenced by the microbes in the mother's body. In a study comparing normal mice with germ-free mice in sterile environments, significant differences were found in gene expressions associated with the immune system, nervous system, and pregnancy regulation. from Neuroscience News https://ift.tt/lMIZPVR

Researchers reveal a surprising early phase in Alzheimer’s disease development: a metabolic boost in the hippocampus. Studying mice resembling human Alzheimer's pathology, they observed increased mitochondrial metabolism followed by synaptic disruptions due to hindered cellular recycling. from Neuroscience News https://ift.tt/uVrW85k

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